3428988 has 12 divisors (see below), whose sum is σ = 8001000. Its totient is φ = 1142992.

The previous prime is 3428981. The next prime is 3429007. The reversal of 3428988 is 8898243.

It is a happy number.

3428988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142863 + ... + 142886.

It is an arithmetic number, because the mean of its divisors is an integer number (666750).

Almost surely, 2^3428988 is an apocalyptic number.

It is an amenable number.

3428988 is an abundant number, since it is smaller than the sum of its proper divisors (4572012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3428988 is a wasteful number, since it uses less digits than its factorization.

3428988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285756 (or 285754 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 3428988 is about 1851.7526832706. The cubic root of 3428988 is about 150.7955949528.

The spelling of 3428988 in words is "three million, four hundred twenty-eight thousand, nine hundred eighty-eight".